At a glance
Experience 5+ years
Hours 20K+ freelance development
Fiverr 4.9 / 17 reviews
Location Lahore, Punjab, Pakistan
Availability International / remote
About
Muhammad Muzammal
Senior Full-Stack Software Developer | AI & SaaS Solutions. I build and maintain production applications for international clients, with a focus on architecture that stays understandable as the product grows.
I have 5+ years of professional full-stack development experience, including extensive freelance work through Fiverr and Upwork. That work has meant shipping against real requirements, not just prototypes: SaaS platforms, APIs, business systems, and AI-backed features that have to run in production.
I work across the full product lifecycle — architecture, implementation, deployment, and maintenance — and I collaborate directly with teams and clients to turn requirements into software that can be operated after launch.
- Strong background in SaaS, fintech, ERP, IoT, e-commerce, CRM, analytics, healthcare, retail, and transportation-related applications.
- Experience with AI integrations and intelligent automation.
- APIs and third-party integrations, including payments and communications.
- DevOps and cloud deployment on Docker, AWS, DigitalOcean, and Heroku.
- Emphasis on clean architecture, scalability, performance, testing, and maintainability.
Experience
Professional experience
Roles that shaped how I deliver software with clients and teams.
Software Developer / Full-Stack Developer
Code Thinker Ltd.
Worked on full-stack web applications against client and business requirements: backend development, frontend development, APIs, database systems, production applications, and team collaboration.
Technology / Operations / Client & Project Coordination
Trials360
Handled Fiverr and Upwork client communication, requirement gathering, project scoping, gig and project performance, task assignment, delivery coordination, and work between clients and development teams.
Freelance
Fiverr and Upwork
Independent engineering for international clients. Public profile URLs can be added when provided.
Fiverr · Senior Full-Stack Developer
4.9 rating · 17 reviews
Custom web applications, SaaS development, bug fixing, feature development, API development, third-party and payment integrations, dashboards, CRM systems, booking systems, inventory systems, support systems, landing pages, social/community features, and application maintenance.
Upwork · Full-Stack Software Developer
Product, API, and platform work
Full-stack development, SaaS development, backend/API development, React/Next.js applications, Rails applications, Python applications, AI integrations, cloud deployment, and maintenance.
Adjacent
Digital business experience
A secondary capability, not the core of this practice.
Social media operations
Managed approximately 16 accounts across Instagram, Facebook, LinkedIn, and TikTok. Work included revamping accounts, content planning and posting, audience engagement, growth strategies, monetization, and account management. 2+ years in social media monetization.
Stack
Technical skills
Backend
RubyRuby on RailsNode.jsExpress.jsNestJSSinatraPythonFastAPIDjangoPHPLaravel
Frontend
JavaScriptTypeScriptReactNext.jsVueAngularHTMLCSSTailwind CSSMaterial UIBootstrapjQuery
Databases
PostgreSQLMySQLMongoDBRedisSQLiteSupabase
APIs & integrations
REST APIsGraphQLOAuthJWTStripePayPalOpenAI APIsThird-party APIs
Cloud / DevOps
DockerAWSDigitalOceanHerokuCI/CDLinuxProduction deploymentMonitoring
Testing
RSpecMiniTestCapybaraTDDBDD